Where have all the songbirds gone?
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Migration is popular amongst those who can travel across long distances. They survive by leaving the area for part of the year or part of their life, and move to habitats that are more hospitable.
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Origins from ringed birds recovered on Heligoland
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All recovery sites of birds ringed on Heligoland
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54° 10’57” N 7° 53’10” E
51° 35’38” N 7° 12’29” E
291.5 km
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Navigation is complicated because they must know their current location, their destination and the direction they must take to get there.
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54° 19’24” N 10° 7’22” E
54° 10’57” N 7° 53’10” E
146.1 km
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Some monitor the Earth’s magnetic field using their visual system and with tiny grains of a iron-containing mineral called magnetite in their heads, that might act like a compass.
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54° 10’57” N 7° 53’10” E
53° 10’53” N 8° 59’11” E
132.6 km
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Colophon Photography & Design: Maarten Boswijk Edition: 30 Thanks to: Jim, Olli, Peer, Gert, Annika, and everyone on Heligoland who has helped me during my stay. Neeltje, Bram, Koen, Robert and Jasper for being wonderful classmates. Sara Blokland, Jan Adriaans, Petra Stavast, Rob Philip, Vesselina Nikolaeva, LÊon Wijnhoud, Elies Thijs. Š 2012
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